The AO-7 Amateur Radio satellite turned 39 years old on November 15. Launched in 1974 from Vandenberg Air Force Base in California as the second AMSAT Phase 2 ham satellite, AO-7 continues to amaze.
After its batteries succumbed to old age, AO-7 went silent in 1981, only to spring back to life in 2002, although some believe it may have resurrected itself as much as a year earlier. AMSAT describe…
American Radio Relay League | Ham Radio Association and Resources